1.M-JPEG image compression 2.High quality color video at 30/25 fps recording/playback quad mode 3.Optional: NTSC and PAL system 4.Recording mode: Continuous, Motion Detection, Sensor activated 5.Motion Detection: Area selection & sensitivity adjustment for each camera 6.Display resolution: NTSC 720x480; PAL 720x576 7.Recording resolution: NTSC 320x112, 640x224/ PAL 320x136, 640x272 8.Recording frame rate: NTSC max. 30 fps (quad) / PAL max. 25 fps (quad) 9.PC Backup via USB 2.0 port 10.With video loss alarm function 11.With power recovery auto-recording function 12.PTZ control 13.IR remote control